CVE-2026-64116

CVE CVE-2026-64116EUVD EUVD-2026-45801Published 2026-07-19T15:40:16.000ZLast changed 2026-08-05T12:39:25.000ZCVSS 7.5

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: add NULL check for idev in ipv6_hop_ioam() Reported by Sashiko: The function ipv6_hop_ioam() accesses __in6_dev_get(skb->dev)->cnf.ioam6_enabled without validating the returned idev pointer. Because addrconf_ifdown() can concurrently clear dev->ip6_ptr via RCU, __in6_dev_get() can return NULL during interface teardown, which could cause a NULL pointer dereference when processing an IOAM Hop-by-Hop option. Let's add a check and use SKB_DROP_REASON_IPV6DISABLED accordingly.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux patch: 0; 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0 <d4ea0dfd75011b78cebf3808f98ac4c4f51a6fb9; 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0 <902daac307eb7e1955ce05b071950f3cba88c963; patch: 5.15.210; patch: 6.12.92; 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0 <1dca7e491f070ac49b3d934f16ee953a53b37f38; patch: 6.18.34; 5.15; 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0 <c7e8971abd70e9d022f1c251ba2508f8dc7f2db8; patch: 6.1.176; 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0 <abdd03229414b5a52943b65a60f34b84cea5ac59; patch: 6.6.143; 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0 <cf75eb6617042c8cff6112daeed7791809fc9dd2; patch: 7.1; patch: 7.0.11; 9ee11f0fff205b4b3df9750bff5e94f97c71b6a0 <09cbfd4b81ae90963dadb1de99b63b702e73290a

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

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Linux — Linux

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